ci2 starts bisection 2025-12-29 18:16:27.243825921 +0000 UTC m=+2868399.420948988
bisecting fixing commit since f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe
building syzkaller on d6526ea3e6ad9081c902859bbb80f9f840377cb4
ensuring issue is reproducible on original commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe

testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 67dc62f42a5009a5d79ae4afc8d9d64ac424feec39a9ebe6756e30fc700d45d1
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: crashed: INFO: rcu detected stall in syscall_enter_from_user_mode
run #7: crashed: INFO: rcu detected stall in futex
run #8: crashed: INFO: rcu detected stall in smp_call_function
run #9: crashed: INFO: rcu detected stall in smp_call_function
run #10: crashed: INFO: rcu detected stall in perf_event_open
run #11: crashed: INFO: rcu detected stall in perf_event_open
run #12: crashed: INFO: rcu detected stall in perf_event_open
run #13: crashed: INFO: rcu detected stall in perf_event_open
run #14: crashed: INFO: rcu detected stall in smp_call_function
run #15: crashed: INFO: rcu detected stall in perf_event_open
run #16: crashed: INFO: rcu detected stall in corrupted
run #17: crashed: INFO: rcu detected stall in perf_event_open
run #18: crashed: INFO: rcu detected stall in perf_event_open
run #19: crashed: INFO: rcu detected stall in perf_event_open
representative crash: INFO: rcu detected stall in syscall_enter_from_user_mode, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [bug_or_warning kasan locking atomic_sleep memleak ubsan], they are not needed
testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 3bfbbcf4ff5636f641e3b8eb1dc4938fb03930b3ad7dbc752a16c77e44a4e9dd
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
false negative chance: 0.000
kconfig minimization: base=3829 full=7619 leaves diff=2131
split chunks (needed=false): <2131>
split chunk #0 of len 2131 into 5 parts
testing without sub-chunk 1/5
testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: dad9ec2a2ae335361106686bd7614f1abe016879eee8b8c50ca665ee9bca9e17
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: crashed: INFO: rcu detected stall in perf_event_open
run #5: crashed: INFO: rcu detected stall in perf_event_open
run #6: crashed: INFO: rcu detected stall in smp_call_function
run #7: crashed: INFO: rcu detected stall in perf_event_open
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in futex
representative crash: INFO: rcu detected stall in perf_event_open, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 2bf20f2d6b127c3814b9225cfa675a2058562fc8e9b0e1a3c7882af7825e505a
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: crashed: INFO: rcu detected stall in perf_event_open
run #4: crashed: INFO: rcu detected stall in perf_event_open
run #5: crashed: INFO: rcu detected stall in smp_call_function
run #6: crashed: INFO: rcu detected stall in perf_event_open
run #7: crashed: INFO: rcu detected stall in perf_event_open
run #8: crashed: INFO: rcu detected stall in futex
run #9: crashed: INFO: rcu detected stall in smp_call_function
representative crash: INFO: rcu detected stall in perf_event_open, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 559e054809fea3760b5be201ff4484a28e7fe2961fa199e4ca9fcb60e2541365
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: crashed: INFO: rcu detected stall in futex
run #5: crashed: INFO: rcu detected stall in perf_event_open
run #6: crashed: INFO: rcu detected stall in futex
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: rcu detected stall in futex, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 3b43b0eed38a7cb37562b7bdddf9cfc69c023a32b29e33d5a0dfccee0b96cd49
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: crashed: INFO: rcu detected stall in smp_call_function
run #6: crashed: INFO: rcu detected stall in futex
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: OK
run #9: OK
representative crash: INFO: rcu detected stall in smp_call_function, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
testing commit f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 3b8148c29d565d887d715c50dbdd7e38743b962cdd153f686fb7602dc92df727
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
false negative chance: 0.000
minimized to 423 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DVB_CORE EXTCON FB GPIOLIB HID_ZEROPLUS I2C_MUX IIO IRQ_REMAP KVM KVM_INTEL LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_VIPERBOARD NOP_USB_XCEIV PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USB_AMD5536UDC USB_ATM USB_CDNS3 USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CONN_GPIO USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_HAPS USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_FSL USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_FOTG210_HCD USB_FOTG210_UDC USB_FTDI_ELAN USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GPIO_VBUS USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LGM_PHY USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3420_UDC USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_AQC111 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_RNDIS_WLAN USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_U132_HCD USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PCI_RENESAS USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USER_RETURN_NOTIFIER U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VETH VFIO VFIO_IOMMU_TYPE1 VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_STK1160_COMMON VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_X2APIC XARRAY_MULTI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZBUD ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZBUD]
testing current HEAD 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba
testing commit 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 23457e219369fd1811f58c3827596c56ed4c083831980a2a175ebe2e581ce547
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
false negative chance: 0.010
# git bisect start 50cbba13faa294918f0e1a9cb2b0aba19f4e6fba f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe
Bisecting: 283 revisions left to test after this (roughly 8 steps)
[94a649487ee7249cdbf153b933285da2ca537377] clk: at91: clk-master: Add check for divide by 3

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit 94a649487ee7249cdbf153b933285da2ca537377 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 3942dbbbd84a134261f995d521858fdeb47bab05d7852d1618e60ee787e6830c
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: crashed: INFO: rcu detected stall in futex
run #5: crashed: INFO: rcu detected stall in futex
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: rcu detected stall in futex, types: [HANG]
# git bisect good 94a649487ee7249cdbf153b933285da2ca537377
Bisecting: 141 revisions left to test after this (roughly 7 steps)
[44a4833917370f110ece142642ae0f27a7ba1250] net/mlx5e: Preserve shared buffer capacity during headroom updates

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit 44a4833917370f110ece142642ae0f27a7ba1250 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 0f3ff676bc2b1012aaf1b671f80317782b6b43de947e817441f2da5e5ed6a93e
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #8: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
unable to determine the verdict: 11 good runs (wanted 15), for bad wanted 10 in total, got 11
# git bisect skip 44a4833917370f110ece142642ae0f27a7ba1250
Bisecting: 141 revisions left to test after this (roughly 7 steps)
[4443fc58fcc283a9a7aa73f2f30e427296612ec7] softirq: Add trace points for tasklet entry/exit

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit 4443fc58fcc283a9a7aa73f2f30e427296612ec7 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 7dd684ee8e4300445f001fe877207cfea53c3e996dafdb02406e25469121782d
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #8: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
unable to determine the verdict: 11 good runs (wanted 15), for bad wanted 10 in total, got 11
# git bisect skip 4443fc58fcc283a9a7aa73f2f30e427296612ec7
Bisecting: 141 revisions left to test after this (roughly 7 steps)
[4399894c96c0056467a608b242465888f99865a5] net: dsa: tag_brcm: legacy: fix untagged rx on unbridged ports for bcm63xx

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit 4399894c96c0056467a608b242465888f99865a5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: d9109512931c7cd1ee6794d968d91191aa76d06f12b2cc949c7f85845de4ce57
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #8: crashed: INFO: rcu detected stall in futex
run #9: crashed: INFO: rcu detected stall in corrupted
run #10: crashed: INFO: rcu detected stall in syscall_enter_from_user_mode
run #11: crashed: INFO: rcu detected stall in futex
run #12: crashed: INFO: rcu detected stall in perf_event_open
run #13: crashed: INFO: rcu detected stall in syscall_enter_from_user_mode
run #14: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor441961606" "root@10.128.1.206:./syz-executor441961606"]: exit status 255
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: rcu detected stall in futex, types: [HANG]
# git bisect good 4399894c96c0056467a608b242465888f99865a5
Bisecting: 132 revisions left to test after this (roughly 7 steps)
[c53ea292c7e8b65c6d7dd0206bc4d414029e172f] net: dsa: microchip: lan937x: Fix RGMII delay tuning

determine whether the revision contains the guilty commit
revision 94a649487ee7249cdbf153b933285da2ca537377 crashed and is reachable
testing commit c53ea292c7e8b65c6d7dd0206bc4d414029e172f gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 33a267d23de6b91c551da4a40ee96fb81228a7d62addd454ea8d5225ee16d0c8
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
unable to determine the verdict: 12 good runs (wanted 15), for bad wanted 10 in total, got 12
# git bisect skip c53ea292c7e8b65c6d7dd0206bc4d414029e172f
Bisecting: 132 revisions left to test after this (roughly 7 steps)
[412d3878198d9bceecca9f43560696edad10922d] net/mlx5e: Update shared buffer along with device buffer changes

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit 412d3878198d9bceecca9f43560696edad10922d gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 1207507ce6a28b2be836662b46725eb28f85ecace998287ab040e2e456de5b46
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: crashed: INFO: rcu detected stall in perf_event_open
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in perf_event_open
run #10: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3249131328" "root@10.128.0.160:./syz-executor3249131328"]: exit status 255
run #11: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2681814962" "root@10.128.10.7:./syz-executor2681814962"]: exit status 255
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: rcu detected stall in perf_event_open, types: [HANG]
# git bisect good 412d3878198d9bceecca9f43560696edad10922d
Bisecting: 99 revisions left to test after this (roughly 7 steps)
[18fdcdcae36164c401cb1833affcae420ea355a3] net: tls: Cancel RX async resync request on rcd_delta overflow

determine whether the revision contains the guilty commit
revision c53ea292c7e8b65c6d7dd0206bc4d414029e172f crashed and is reachable
testing commit 18fdcdcae36164c401cb1833affcae420ea355a3 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 1feb5c1578d55e93e060b3566284dea6efc8e8ec3504e24267404b98de0e4724
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #8: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
unable to determine the verdict: 11 good runs (wanted 15), for bad wanted 10 in total, got 11
# git bisect skip 18fdcdcae36164c401cb1833affcae420ea355a3
Bisecting: 99 revisions left to test after this (roughly 7 steps)
[43096dab8cc60fc39133205fd149a54d3acebea8] s390/ctcm: Fix double-kfree

determine whether the revision contains the guilty commit
revision 94a649487ee7249cdbf153b933285da2ca537377 crashed and is reachable
testing commit 43096dab8cc60fc39133205fd149a54d3acebea8 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 0ebcadc26e23208d3b71f41b0d6067f0f54a9d29f1b72924640302319d13938a
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
unable to determine the verdict: 14 good runs (wanted 15), for bad wanted 10 in total, got 14
# git bisect skip 43096dab8cc60fc39133205fd149a54d3acebea8
Bisecting: 99 revisions left to test after this (roughly 7 steps)
[3823d30ab8db434ff0304fb20e830768fb00ca22] btrfs: do not update last_log_commit when logging inode due to a new name

determine whether the revision contains the guilty commit
revision 94a649487ee7249cdbf153b933285da2ca537377 crashed and is reachable
testing commit 3823d30ab8db434ff0304fb20e830768fb00ca22 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 5ffc7881e75e43638fa9c671f10fed42528a34ab2eda4bd0295973bfa824179a
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
unable to determine the verdict: 14 good runs (wanted 15), for bad wanted 10 in total, got 14
# git bisect skip 3823d30ab8db434ff0304fb20e830768fb00ca22
Bisecting: 99 revisions left to test after this (roughly 7 steps)
[02d565a78d5d2304d0b222ae7009a2ea84eb6807] kernel.h: Move ARRAY_SIZE() to a separate header

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit 02d565a78d5d2304d0b222ae7009a2ea84eb6807 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: c43d449126cddaaea5fb050a2f990cbdd5a59381cb25764d7f6e892deaa9be40
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
false negative chance: 0.001
# git bisect bad 02d565a78d5d2304d0b222ae7009a2ea84eb6807
Bisecting: 45 revisions left to test after this (roughly 6 steps)
[acf62af18c7b723bb27fc69cdfaf275ae34372f5] scsi: ufs: ufs-pci: Set UFSHCD_QUIRK_PERFORM_LINK_STARTUP_ONCE for Intel ADL

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit acf62af18c7b723bb27fc69cdfaf275ae34372f5 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 4b0679e539928df99db3c73402fde989fb4da5ef023dbe5fad77a97a0b48470e
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
false negative chance: 0.001
# git bisect bad acf62af18c7b723bb27fc69cdfaf275ae34372f5
Bisecting: 22 revisions left to test after this (roughly 5 steps)
[1d5a5f2c69a3b2d634545ac29badebe77450457d] mtd: onenand: Pass correct pointer to IRQ handler

determine whether the revision contains the guilty commit
revision 94a649487ee7249cdbf153b933285da2ca537377 crashed and is reachable
testing commit 1d5a5f2c69a3b2d634545ac29badebe77450457d gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 77aa3a32e8658500ec6cee1bff094ed52d5a40f249bd4de630ed5611b1cf3398
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
unable to determine the verdict: 13 good runs (wanted 15), for bad wanted 10 in total, got 13
# git bisect skip 1d5a5f2c69a3b2d634545ac29badebe77450457d
Bisecting: 22 revisions left to test after this (roughly 5 steps)
[4ce2a0c3b8497a66cfc25fc7ca3d087258a785d2] netfilter: nf_tables: reject duplicate device on updates

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit 4ce2a0c3b8497a66cfc25fc7ca3d087258a785d2 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 94610f8d5fafe9d4ae36b4c6785e5b10feb8968a6138a60345305c69512a4156
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
unable to determine the verdict: 12 good runs (wanted 15), for bad wanted 10 in total, got 12
# git bisect skip 4ce2a0c3b8497a66cfc25fc7ca3d087258a785d2
Bisecting: 22 revisions left to test after this (roughly 5 steps)
[6df6ead6382d07dec752a91a30d953b7efa4e50b] ASoC: cs4271: Fix regulator leak on probe failure

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit 6df6ead6382d07dec752a91a30d953b7efa4e50b gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 593306f08ff940a438f50cf7390c87bdee0831b3fd3ed58962b89bd7e3d2ee3d
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #8: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #9: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #10: crashed: INFO: rcu detected stall in syscall_enter_from_user_mode
run #11: crashed: INFO: rcu detected stall in futex
run #12: crashed: INFO: rcu detected stall in futex
run #13: crashed: INFO: rcu detected stall in corrupted
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: rcu detected stall in syscall_enter_from_user_mode, types: [HANG]
# git bisect good 6df6ead6382d07dec752a91a30d953b7efa4e50b
Bisecting: 16 revisions left to test after this (roughly 4 steps)
[8f258b7e1b9c659e5ea5fdaf7a954b9fe8eb7404] strparser: Fix signed/unsigned mismatch bug

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit 8f258b7e1b9c659e5ea5fdaf7a954b9fe8eb7404 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 418fba6447dd6fc088abc6137bc9954ee67b508ced6b563b3936a9d6223e1d65
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
false negative chance: 0.001
# git bisect bad 8f258b7e1b9c659e5ea5fdaf7a954b9fe8eb7404
Bisecting: 7 revisions left to test after this (roughly 3 steps)
[c3ee48468bb4b0dac913047a2263e920713105cf] lib/crypto: arm/curve25519: Disable on CPU_BIG_ENDIAN

determine whether the revision contains the guilty commit
revision 412d3878198d9bceecca9f43560696edad10922d crashed and is reachable
testing commit c3ee48468bb4b0dac913047a2263e920713105cf gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: f63596fc4eb47c278655e1ae27175d412898708906e29b724926909b12ac1877
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
false negative chance: 0.001
# git bisect bad c3ee48468bb4b0dac913047a2263e920713105cf
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[2762d3ea9c929ca4094541ca517c317ffa94625b] ALSA: usb-audio: Fix NULL pointer dereference in snd_usb_mixer_controls_badd

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit 2762d3ea9c929ca4094541ca517c317ffa94625b gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: ac3740cf25a8c23af9662dae0d11958ad5d1cffec76b8c4abf9f93fe705be1af
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #8: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #9: crashed: INFO: rcu detected stall in syscall_enter_from_user_mode
run #10: crashed: INFO: rcu detected stall in corrupted
run #11: crashed: INFO: rcu detected stall in perf_event_open
run #12: crashed: INFO: rcu detected stall in perf_event_open
run #13: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1904498379" "root@10.128.1.245:./syz-executor1904498379"]: exit status 255
run #14: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1715908124" "root@10.128.10.44:./syz-executor1715908124"]: exit status 255
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: rcu detected stall in syscall_enter_from_user_mode, types: [HANG]
unable to determine the verdict: 5 good runs (wanted 15), for bad wanted 10 in total, got 9
# git bisect skip 2762d3ea9c929ca4094541ca517c317ffa94625b
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[a3abb54c27b2c393c44362399777ad2f6e1ff17e] drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

determine whether the revision contains the guilty commit
revision 94a649487ee7249cdbf153b933285da2ca537377 crashed and is reachable
testing commit a3abb54c27b2c393c44362399777ad2f6e1ff17e gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 572f89aae98017eeefec9cac4cb025188d073340df8209eec8e3f962be2a2879
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: crashed: INFO: rcu detected stall in futex
run #7: crashed: INFO: rcu detected stall in futex
run #8: crashed: INFO: rcu detected stall in futex
run #9: crashed: INFO: rcu detected stall in perf_event_open
run #10: crashed: INFO: rcu detected stall in futex
run #11: crashed: INFO: rcu detected stall in syscall_enter_from_user_mode
run #12: crashed: INFO: rcu detected stall in futex
run #13: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3240799811" "root@10.128.0.104:./syz-executor3240799811"]: exit status 255
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: rcu detected stall in futex, types: [HANG]
# git bisect good a3abb54c27b2c393c44362399777ad2f6e1ff17e
Bisecting: 2 revisions left to test after this (roughly 2 steps)
[86f3dcd1f331cfd4fd7ec88906955134ec51afbe] Bluetooth: hci_sync: fix double free in 'hci_discovery_filter_clear()'

determine whether the revision contains the guilty commit
revision f6e38ae624cf7eb96fb444a8ca2d07caa8d9c8fe crashed and is reachable
testing commit 86f3dcd1f331cfd4fd7ec88906955134ec51afbe gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: fd0f0394df6ff9dd3b05269827194f6eef3a81067b068c36788063dace3a6352
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
false negative chance: 0.001
# git bisect bad 86f3dcd1f331cfd4fd7ec88906955134ec51afbe
Bisecting: 2 revisions left to test after this (roughly 1 step)
[5e149d8a8e732126fb6014efd60075cf63a73f91] bpf: Add bpf_prog_run_data_pointers()

determine whether the revision contains the guilty commit
revision 412d3878198d9bceecca9f43560696edad10922d crashed and is reachable
testing commit 5e149d8a8e732126fb6014efd60075cf63a73f91 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: dd65bcf6cb56ea3157001209f3378996acc7dbc3876bc0e31c976778f08ccbed
run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc
run #7: crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
run #8: crashed: INFO: rcu detected stall in perf_event_open
run #9: crashed: INFO: rcu detected stall in futex
run #10: crashed: INFO: rcu detected stall in futex
run #11: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2944676710" "root@10.128.1.25:./syz-executor2944676710"]: exit status 255
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: INFO: rcu detected stall in syscall_exit_to_user_mode, types: [HANG]
# git bisect good 5e149d8a8e732126fb6014efd60075cf63a73f91
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
4443fc58fcc283a9a7aa73f2f30e427296612ec7
86f3dcd1f331cfd4fd7ec88906955134ec51afbe
We cannot bisect more!

accumulated error probability: 0.00
reproducer is flaky (0.35 repro chance estimate)
revisions tested: 28, total time: 8h30m5.059239057s (build: 1h51m19.911202179s, test: 6h23m0.187212979s)
bisection is inconclusive, the first good commit could be any of:
4443fc58fcc283a9a7aa73f2f30e427296612ec7
86f3dcd1f331cfd4fd7ec88906955134ec51afbe